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That is to say, a total of false syn messages will occupy the TCP preparation queue for 63s, while the semi-connected queue defaults to 1024, which is different by system default and can be viewed by cat/proc/sys/net/ipv4/tcp_max_syn_backlog c. That is to say, sending 200 fake syn packets per second without any protection is enough to burst the semi-connection queue, thus preventing the real connection from being established and responding to normal requests. The end result is that the server has no time to ignore the normal connection request-denial of service.至少在这方面担忧便可少去几分，陈平见尹旭完全信任周大和陆明的能力，自然也就不会再说什么。The second place in group a competes with the second place in group b, and the winner is the third place.身为夏家的小女儿，夏天美（唐嫣 饰）一直倍受父母的宠爱，个性难免有些软弱。善良的她因为严格（邱泽 饰）前女友孙晓菁（郑罗茜 饰）的穷追不舍而决心放弃这段感情。带着满心的伤痕，天美回到了家人的怀抱之中，在父亲的温柔陪伴之下，天美渐渐获得了治愈。故事并没有就此结束，还会有怎样的困难等待着夏家一家人呢？郑氏更加疑惑，不知儿子这么一会工夫跟她们说了什么，使得她们如此亲密，也不知能不能持续长久。现代，男主和妹妹均已转世。妹妹出身高贵，追求者众。但内心深处一直在等待着命定的人，终于邂逅了男主，此时附身在戒指上的姐姐也与男主重逢。龙且对此大感意外，汉军的骁勇有限，何曾达到这个程度，到底是什么激励着他们不断进攻呢？将士素质有限的情况下，能有这般效果，必定是有些激发了他们的士气。